Suspension and Components› Suspension Kits

Rock Krawler Suspension

21C WRANGLER JLU 4DOOR [392]3.5IN X FACTOR PRO NO LIMITS ALUMINUM SYSTEM B51

$3,988.81

SKU: R01V JL35PNL-392B51

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Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
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Overview

The Rock Krawler Suspension 3.5 Inch X-Factor PRO No Limits Mid-Arm System is a comprehensive suspension upgrade designed for Jeep Wrangler JLU 392 Rubicon models. This system features 8 adjustable control arms constructed from solid 7075 aluminum, offering up to 95 degrees of misalignment with its Pro-X Krawler Joints and Adventure Series joints. It includes triple-rate coil springs for improved on-road comfort and off-road articulation, along with geometry corrections for track bars and sway bar links to ensure proper axle centering and on-road handling.
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21C WRANGLER JLU 4DOOR [392]3.5IN X FACTOR PRO NO LIMITS ALUMINUM SYSTEM B51

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRock Krawler Suspension
Part NumberR01V JL35PNL-392B51
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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